According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern --B-ST. That is, six letter words with 3rd letter B and 5th letter S and 6th letter T. In alphabetical order, they are:

cubist

embost

robust

tubist

vibist

Yes, hydrogen is highly explosive in the presence of oxygen. When ignited, it can produce a large amount of energy in the form of heat and light. Therefore, proper precautions should be taken when handling hydrogen to prevent accidents.

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 673 words with the pattern E-----. That is, six letter words with 1st letter E. In alphabetical order, they are:

eadish

eagers

eagled

eagles

eaglet

eagres

eaning

earbob

earbud

earcon

earded

earful

earing

earlap

earned

earner

earths

earthy

earwax

earwig

easels

easers

easied

easier

easies

easily

easing

easles

eassel

eassil

easted

easter

eatage

eatche

eaters

eatery

eathly

eating

ebayer

ebbets

ebbing

ebooks

ecarte

ecbole

ecesic

ecesis

echard

eching

echini

echium

echoed

echoer

echoes

echoey

echoic

eclair

eclats

eclose

econut

ectopy

ectype

ecurie

eczema

eddied

eddies

eddish

eddoes

edemas

edenic

edgers

edgier

edgily

edging

edible

edicts

ediles

edited

editor

educed

educes

educts

eeched

eeches

eejits

eelier

eerier

eerily

eevens

efface

effect

effeir

effere

effete

effigy

effing

efflux

effort

effray

effuse

eftest

egally

egence

egency

egesta

egests

eggars

eggcup

eggers

eggery

eggier

egging

eggler

eggnog

egises

egoism

egoist

egoity

egress

egrets

eident

eiders

eidola

eighth

eights

eighty

eiking

eikons

eirack

eisell

eisels

either

ejecta

ejects

ekuele

elains

elance

elands

elanet

elapid

elapse

elated

elater

elates

elbows

elchee

elchis

elders

eldest

elding

eldins

elects

elegit

elemis

elench

eleven

elevon

elfing

elfins

elfish

eliads

eliche

elicit

elided

elides

elints

elites

elixir

ellops

elmier

elodea

eloges

eloign

eloins

eloped

eloper

elopes

elpees

elshin

elsins

eltchi

eluant

eluate

eluded

eluder

eludes

eluent

eluted

elutes

elutor

eluvia

elvans

elvers

elvish

elytra

emails

embace

embail

embale

emball

embalm

embank

embark

embars

embase

embays

embeds

embers

emblem

emblic

embody

embogs

emboil

emboli

emboly

embosk

emboss

embost

embows

embrue

embryo

embusy

emceed

emcees

emdash

emeers

emends

emerge

emerod

emeses

emesis

emetic

emetin

emeute

emigre

emlets

emmers

emmesh

emmets

emmews

emmove

emodin

emoted

emoter

emotes

emoved

emoves

empale

empare

emparl

empart

empery

empire

employ

empted

empusa

empuse

emuled

emules

emulge

emunge

emured

emures

emydes

enable

enacts

enamel

enamor

enarch

enarms

enates

enatic

encage

encalm

encamp

encase

encash

encave

encina

encode

encore

encyst

endart

endash

endear

enders

endews

ending

endite

endive

endoss

endows

endrin

endued

endues

endure

enduro

enemas

energy

enerve

enewed

enface

enfant

enfire

enfold

enform

enfree

engage

engaol

engild

engilt

engine

engird

engirt

englut

engobe

engore

engram

engulf

enhalo

eniacs

enigma

enisle

enjamb

enjoin

enjoys

enlace

enlard

enleve

enlink

enlist

enlock

enmesh

enmews

enmity

enmove

ennage

ennead

ennogs

ennuis

ennuye

enodal

enokis

enolic

enoses

enosis

enough

enrace

enrage

enrank

enrapt

enrich

enring

enrobe

enroll

enrols

enroot

ensate

enseal

enseam

ensear

enserf

ensews

ensign

ensile

ensoul

ensued

ensues

ensure

entail

entame

entera

enters

entete

entice

entire

entity

entoil

entomb

entrap

entree

entrez

enured

enures

envied

envier

envies

enviro

envois

envoys

enwall

enwind

enwomb

enwrap

enzian

enzone

enzyme

enzyms

eocene

eolian

eolith

eonian

eonism

eosine

eosins

eothen

epacts

eparch

epaule

epeira

eperdu

ephahs

ephebe

ephebi

ephods

ephori

ephors

epical

epigon

epilog

epimer

epizoa

epocha

epochs

epodes

epodic

eponym

epopee

epopts

eposes

eprise

eproms

epuise

epulis

equali

equals

equant

equate

equids

equine

equipe

equips

equity

erased

eraser

erases

erbias

erbium

erects

eremic

erenow

ergate

ergons

ergots

eriach

ericas

ericks

eringo

erinus

erlang

ermine

erning

eroded

erodes

eroses

erotic

errand

errant

errata

erring

errors

ersatz

erucic

eructs

erugos

erupts

eruvim

eruvin

ervils

eryngo

escape

escarp

escars

eschar

eschew

escort

escots

escroc

escrol

escrow

escudo

esiles

eskars

eskers

eskies

esloin

esnecy

espada

espial

espied

espier

espies

esprit

essays

essive

essoin

estate

esteem

esters

estocs

estops

estral

estray

estrin

estros

estrum

estrus

etages

etalon

etamin

etapes

etched

etcher

etches

eterne

ethals

ethane

ethene

ethers

ethics

ethion

ethnic

ethnos

ethoxy

ethyls

ethyne

etoile

etrier

ettins

ettled

ettles

etudes

etwees

etymic

etymon

etypic

eucain

euchre

eughen

euking

eulogy

eumong

eumung

eunuch

euouae

eupads

euphon

eupnea

eureka

euripi

euroky

eusols

eutaxy

evaded

evader

evades

evejar

evened

evener

evenly

events

everts

evicts

eviler

evilly

evince

evited

evites

evoked

evoker

evokes

evolue

evolve

evovae

evulse

evzone

ewftes

ewghen

ewking

exacta

exacts

exacum

exalts

examen

exarch

excamb

exceed

excels

except

excess

excide

excise

excite

excuse

exeats

exedra

exeems

exemed

exemes

exempt

exequy

exerts

exeunt

exhale

exhort

exhume

exiled

exiler

exiles

exilic

exines

exists

exited

exodes

exodic

exodoi

exodos

exodus

exogen

exomis

exonic

exonym

exopod

exotic

expand

expats

expect

expels

expend

expert

expire

expiry

export

expose

expugn

exsect

exsert

extant

extasy

extend

extent

extern

extine

extirp

extold

extoll

extols

extort

extras

exuded

exudes

exults

exurbs

exuvia

eyalet

eyases

eyebar

eyecup

eyeful

eyeing

eyelet

eyelid

eyliad

eyries

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1220 words with the pattern -----T. That is, six letter words with 6th letter T. In alphabetical order, they are:

abduct

abject

ablaut

ablest

abrupt

absent

aburst

abvolt

abwatt

accent

accept

accost

acquit

actant

addict

adduct

adjust

admixt

adrift

adroit

advect

advent

advert

affect

affret

afloat

afreet

afront

ageist

aghast

agorot

aidant

aiglet

aigret

airest

albeit

albert

alight

aliyot

almost

amidst

amoret

amount

amulet

anenst

anicut

anight

anklet

anoint

aorist

applet

apport

aptest

ardent

argent

aright

armlet

armpit

aroint

aroynt

arpent

arrant

arrect

arrest

artist

ascent

askant

aslant

aspect

asport

aspout

asquat

assart

assent

assert

assist

assort

assott

astart

astert

astrut

attent

attest

attrit

atwixt

august

auklet

aurist

autist

avaunt

avocet

avoset

backet

baggit

baguet

ballat

ballet

ballot

bampot

bandit

banket

bankit

bannet

barbet

barbut

barest

barnet

barrat

barret

basalt

basest

basket

basnet

basset

batlet

becket

bedsit

bedust

befret

begift

begilt

begirt

behest

bejant

beknot

bemist

bemixt

bennet

bepelt

bereft

berret

besmut

besort

bespat

bespit

bespot

bewent

bewept

bezant

bident

billet

biodot

bisect

blaest

blight

bluest

bobcat

boblet

bogart

bonist

bonnet

borsht

bosket

bosset

botnet

bouget

bought

bowget

bowpot

breast

breest

breist

brevet

bricht

bright

browst

brulot

brunet

bucket

budget

buffet

buglet

bugout

bullet

bunnet

burbot

burnet

busket

buyout

bypast

byzant

cablet

cabrit

cachet

cadent

cahoot

callet

camlet

cannot

caplet

caract

carlot

carnet

carpet

carrat

carrot

casket

catcht

catgut

caught

caveat

cavort

cement

cermet

chalet

chalot

charet

chaunt

chenet

chevet

chewet

claret

claspt

client

closet

cobalt

cobnut

cocket

codist

coedit

coempt

cogent

cohort

cohost

collet

comart

combat

comfit

commit

commot

compot

confit

coplot

copout

coquet

cornet

corset

corvet

cosset

covent

covert

cowpat

coyest

cravat

creant

credit

criant

cronet

cruset

cubist

cueist

cullet

curiet

curvet

cushat

cutest

cutlet

cutout

cygnet

dacoit

dakoit

dammit

daylit

decant

deceit

decent

decoct

dectet

deduct

defast

defeat

defect

degout

degust

dehort

deject

delict

delist

demast

dement

demist

dennet

depart

depict

deport

desalt

desert

desist

despot

detect

detent

detest

detort

devest

devout

dewitt

dicast

didact

digest

diglot

dikast

diktat

dimout

dimwit

dipnet

diquat

direct

direst

dittit

divert

divest

docent

docket

doitit

dolent

domett

donnat

donnot

doocot

dooket

dopant

dotant

doucet

dought

dowset

drapet

draunt

dreamt

driest

dryest

drylot

dugout

dulcet

duplet

durant

dynast

eaglet

econut

effect

effort

eftest

egoist

eident

elanet

eldest

elegit

elicit

eluant

eluent

embost

empart

encyst

endart

enfant

engilt

engirt

englut

enlist

enrapt

enroot

equant

errant

escort

esprit

except

exempt

exeunt

exhort

expect

expert

export

exsect

exsert

extant

extent

extort

eyalet

eyelet

faggot

fanjet

farfet

faucet

favest

fayest

ferest

ferret

fewest

fewmet

feyest

fiaunt

fidget

filfot

fillet

finest

firlot

flaunt

flemit

fliest

flight

floret

fluent

flyest

foment

forcat

forest

forgat

forget

forgot

forint

format

forpet

forpit

forrit

fouest

fought

freest

fremit

fricht

fright

frigot

frowst

fruict

funest

fustet

fylfot

gablet

gadget

gainst

galant

galiot

gallet

galoot

gambet

gambit

gamest

gammat

gannet

garget

garnet

garret

garrot

gasket

gaslit

gayest

gedact

geddit

gelant

gennet

gerent

geyest

gibbet

giblet

giggit

giglet

giglot

gillet

gimlet

gobbet

goblet

godwit

goglet

goiest

gorget

goslet

grivet

gromet

groset

grovet

guglet

gullet

gumnut

gurlet

gurnet

gusset

gutrot

gyrant

haffet

haffit

hagbut

haglet

hairst

halest

hallot

hamlet

harlot

haslet

haught

haulst

hawkit

hazmat

height

helmet

henbit

hepcat

hereat

heriot

hermit

hexact

hobbit

hogget

hognut

holist

honest

hornet

hotpot

howlet

howzat

howzit

hugest

humect

humint

hylist

iciest

idlest

illest

imaret

impact

impart

import

impost

inbent

incant

incent

incept

incest

incult

indart

indent

indict

induct

indult

infant

infect

infeft

infelt

infest

ingest

inject

inkjet

inkpot

inmost

insect

insert

insist

insult

intact

intent

intort

intuit

invent

invert

invest

irrupt

jacent

jacket

jampot

jennet

jesuit

jillet

juglet

jumart

junket

jurant

jurist

kainit

kaputt

karait

keight

kennet

keppit

keyset

khalat

khilat

kidlet

kidult

killut

kismat

kismet

kitset

klepht

knight

konfyt

krubut

labret

lament

lamest

lancet

lappet

lariat

lasket

latent

latest

lavolt

lawest

laxest

laxist

layout

learnt

legist

leglet

levant

libant

likest

limpet

lingot

linnet

lionet

livest

locket

locust

loggat

logout

loment

loquat

loriot

loupit

lowest

lowsit

lucent

luchot

lutist

lyrist

maggot

magnet

mahout

malist

mallet

mammet

manent

market

marmot

mascot

matzot

maumet

mawmet

mayest

mazout

mercat

merest

merlot

midget

midgut

mikvot

millet

minuet

misact

miscut

miseat

misfit

mishit

mislit

mismet

misset

misust

modest

modist

molest

moment

mommet

monact

mongst

monist

moppet

motett

motmot

mought

mudcat

mullet

muppet

muscat

musket

muskit

mutant

mutest

mysost

nacket

naiant

natant

naught

nefast

newest

nicest

nidget

nirlit

nitwit

nobbut

nocent

nocket

nonart

nonfat

nougat

nought

nudest

nudist

nugget

numbat

nutant

nutlet

object

oblast

oboist

obtect

obtest

obvert

occult

ocelot

ocicat

octant

octett

oddest

oecist

offcut

offput

offset

oftest

oikist

oillet

oilnut

oldest

olfact

olivet

omelet

onbeat

oncost

oocyst

optant

orchat

orgeat

orient

ostent

outact

outeat

outfit

outhit

outjet

outjut

outlet

output

outsat

outset

outsit

outwit

ouvert

oxcart

packet

palest

pallet

pandit

papist

parent

parget

parrot

patent

payout

peanut

pearst

pedant

peewit

peinct

pellet

pelmet

penult

perfet

permit

pesant

pezant

picket

pierst

piglet

pignut

pigout

piment

pinnet

pinxit

piolet

piquet

pirnit

placet

placit

plaint

planet

pliant

plight

pocket

ponent

pookit

poppet

poppit

posnet

posset

potent

poukit

preact

precut

preset

priest

privet

probit

profit

projet

prompt

prosit

prutot

pucest

pudent

pullet

pulpit

pundit

punnet

puppet

purest

purist

putout

qiviut

quaint

queest

queint

quight

quoist

rabbet

rabbit

rachet

racist

racket

ragout

raiyat

ramcat

ramjet

rapist

rarest

raught

rawest

raylet

rebait

reboot

recant

recast

recent

recept

recoat

redact

redipt

redout

reduit

reedit

reemit

refect

refelt

reflet

refoot

regent

regest

regilt

reglet

regret

reheat

reject

reknit

reknot

relent

relict

relist

reluct

remeet

remelt

remint

remixt

renest

rennet

repast

repeat

repent

replot

report

repost

requit

rerent

reseat

resect

resent

reshot

resift

resist

resort

respot

result

retest

retint

retort

revert

revest

revolt

riblet

rident

rifest

rigout

rillet

ripest

ripost

robust

rochet

rocket

rodent

roopit

roquet

rotgut

rought

roupet

roupit

rubbet

rubbit

rubout

rudest

runlet

runnet

runout

russet

sabbat

sacbut

sachet

sadist

safest

sagbut

sagest

saidst

sallet

samlet

sanest

savant

sawpit

sayest

sceatt

schist

schout

schuit

schuyt

scient

screet

script

scrunt

sculpt

searat

secant

secret

sedent

sejant

select

semmit

sennet

sennit

septet

serest

sestet

setout

sexist

sexpot

sextet

shalot

shiest

shrift

shyest

signet

silent

sinnet

sippet

sizist

sklent

skylit

sleest

sliest

slight

slyest

smight

smilet

sobeit

socket

soffit

sonant

sonnet

sorbet

sorest

sought

soviet

sperst

spight

spigot

spinet

spirit

splent

splint

spoilt

sprent

sprint

sprout

spruit

squint

squirt

stealt

stilet

strait

street

strict

strift

stript

strout

strunt

stylet

subact

sublet

sublot

submit

subnet

subset

succot

sucket

sukkot

summat

summit

sumpit

sunhat

sunket

sunlit

sunset

surbet

surest

sweert

sweirt

swivet

syndet

tablet

tabret

tacket

talant

talbot

talent

tallat

tallet

tallit

tallot

tamest

tanist

tapist

tappet

tappit

target

taslet

tasset

taught

tautit

tavert

teapot

telnet

tenant

tercet

terret

territ

tewart

tewhit

theist

thibet

thirst

threat

thrift

thrist

throat

thrust

thwart

ticket

tidbit

timist

tinpot

tipcat

tippet

tirrit

titbit

toilet

tomcat

tomtit

tonant

tonlet

tooart

toquet

torret

toupet

trevet

triact

tricot

trijet

trivet

truant

truest

tryout

tubist

tucket

tuffet

tumult

turbit

turbot

turret

tweest

twight

twilit

typist

tyrant

umlaut

umwelt

unbelt

unbent

unbitt

unbolt

unboot

uncart

uncast

uncolt

unfact

unfelt

unfixt

ungilt

ungirt

unhurt

unjust

unkent

unkept

unknit

unknot

unlast

unlost

unmeet

unmixt

unnest

unpent

unrent

unrest

unroot

unseat

unsent

unshot

unshut

unsoft

unsuit

untent

unvext

unwept

unwist

unwont

upbeat

upcast

updart

upgirt

upknit

uplift

upmost

uprest

uprist

uproot

upryst

upsent

upshot

uptilt

upwaft

upwent

urgent

urtext

utmost

vacant

varlet

vellet

velvet

verdet

verdit

verist

verset

vervet

vibist

vilest

violet

virent

volant

volost

vorant

wabbit

wadset

wallet

walnut

waucht

waught

waurst

weight

weskit

whilst

whisht

wicket

widest

widget

wiglet

willet

wisent

wisest

wisket

witgat

wombat

wommit

woobut

worrit

worset

woubit

wriest

wright

wryest

yaourt

yarest

yblent

ybrent

yclept

yogurt

ypight

yplast

yshent

zealot

zelant